Read the following paragraph about 'A Christmas Carol':
"In London, Charles Dickens took walks late at night. He worked out the story in his head. The book was about a man named Ebenezer Scrooge. Scrooge hated Christmas and treated his workers badly. Scrooge was visited by the Ghosts of Christmas. He woke up on Christmas morning and was a much kinder man."
What question is answered by this paragraph?